/**
*      author: Y_Yao
*      created: 2025-02-21 19:18:52
**/

#include<bits/stdc++.h>

#define int LL
using namespace std;
using LL = long long;
const LL LLINF = 1e18;
const int INF = 0x3f3f3f3f;
int n,q;
string s;
char a[200];

void solve()
{
    cin >> n;
    cin >> s;
    for(int i = 'a';i <= 'z';i++)
    {
        a[i] = i;
    }
    cin >> q;
    while(q--)
    {
        char x,y;
        cin >> x >> y;
        for(int i = 'a';i <= 'z';i++)
        {
            if(x == a[i]) a[i] = y;
        }
    }
    for(auto& e : s) e = a[e]; 
    cout << s << endl;
}

signed main()
{
    ios::sync_with_stdio(false);
    cin.tie(0);

    int t = 1;
    //cin >> t;
    while(t--)
    {
        solve();
    }
    return 0;
}